5D Mk III weird shutter release

Started Jul 12, 2012 | Discussions thread
Donald Gudehus New Member • Posts: 1
Re: 5D Mk III weird shutter release

I had a similar problem with my 5D III.  Pressing the shutter button produced a click, but no picture was taken.  Pressing the button a second time produced another click, and an image of the picture was then displayed on the screen.  Recalling that I had recently formatted the card and set some preferences in the menu, I pressed the menu button and reviewed my settings.  I noticed that I had enabled "mirror lockup".  After disabling mirror lockup, the camera behaved normally.  One press of the shutter button now takes a picture immediately (no second press is required).

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